404 



NEGEETTI AND ZAMBKA, HOLBORN VIADUCT, K.C., 



2282 



2283 

 2284 

 2285 



2286 



2287 

 2288 



2289 

 2290 

 2291 



2292 



2293 



2294 

 2295 



2296 



2297 



FIG. 2267. 



FIG. 2333. 



FIG. 2335.1 



FIG. 2265. 



FIG. 2287. 



Each. 



d. 



Each. 

 s. d. 



Platinum Crucibles, Basins, and Evaporating Dishes, 

 various sizes . . . ' . . about per oz. 

 Platinum Retorts, half-pint .... about 

 Ditto ditto one pint . . , 



Platinum Forceps and Spoons Is. 6d. 3s. 5s. 6d. 8 



No exact prices can be given for Platinum Vessels, as the value varies considerably. 



Pepy's Gas Holder, of japanned Tin or Zinc, with long 

 pressure funnel, stopcocks and connectors complete, 

 to hold about 2,000 cubic inches 



Ditto best mounted, Copper japanned (fig. 2287) with 

 Graduated Gauge Tube . . - . , 



Pneumatic Troughs, Japanned Tin, for collecting gases, 

 small size, Round for Tube Experiments . 



Pneumatic Troughs, Oblong Shape, 1st size . 



Ditto ditto 2nd size . . . ... 



Ditto ditto 3rd size . . . (fig. 2291) 



Pneumatic Troughs, of any size or shape, made to 

 order, in Copper, Tin, or Zinc, &c. 



Reflectors, highly polished metallic, for experiments on 

 radiant heat from, per pair 



Ditto, Plated Copper from 



Ditto, Stands, for Reflectors and Iron Ball . . .060 



See also section Phenomena of Heat. 



Retorts, Lead, for Fluoric Acid, 16 oz. . , 



Retort Stands, small Iron foot . . . from 



1 15 

 11 

 16 



0120 



330 



550 



076 

 10 

 12 6 

 18 6 



1 10 



2 10 



080 



10 6 

 026 



